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Crash/Freezing when loading entities

Slit_bodmod

By Slit_bodmod
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Slit_bodmod Stone Miner

Slit_bodmod

Posted
Posted

Hi, I was in the middle of porting my mod to 1.17.1 and when adding the attributes to the entities my game would freeze and produce this crash report:

Quote

[15:54:36] [Server thread/ERROR]: Encountered an unexpected exception
net.minecraft.ReportedException: Sending packet
    at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:887) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:819) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.client.server.IntegratedServer.tickServer(IntegratedServer.java:85) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:684) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:258) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at java.lang.Thread.run(Thread.java:831) [?:?]
Caused by: java.lang.NullPointerException: Cannot invoke "Object.getClass()" because "p_129593_" is null
    at net.minecraft.network.ConnectionProtocol.getProtocolForPacket(ConnectionProtocol.java:486) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.network.Connection.sendPacket(Connection.java:179) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.network.Connection.send(Connection.java:171) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:1058) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:1053) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.level.ServerEntity.sendPairingData(ServerEntity.java:208) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.level.ServerEntity.addPairing(ServerEntity.java:196) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.level.ChunkMap$TrackedEntity.updatePlayer(ChunkMap.java:1160) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.level.ChunkMap$TrackedEntity.updatePlayers(ChunkMap.java:1188) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.level.ChunkMap.addEntity(ChunkMap.java:943) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.level.ServerChunkCache.addEntity(ServerChunkCache.java:441) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.level.ServerLevel$EntityCallbacks.onTrackingStart(ServerLevel.java:1490) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.level.ServerLevel$EntityCallbacks.onTrackingStart(ServerLevel.java:1473) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.startTracking(PersistentEntitySectionManager.java:135) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.addEntityWithoutEvent(PersistentEntitySectionManager.java:98) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.addEntity(PersistentEntitySectionManager.java:81) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.lambda$processPendingLoads$11(PersistentEntitySectionManager.java:259) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[?:?]
    at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[?:?]
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.processPendingLoads(PersistentEntitySectionManager.java:258) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.tick(PersistentEntitySectionManager.java:267) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:395) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:883) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?]
    ... 5 more
---- Minecraft Crash Report ----
// I just don't know what went wrong :(

Time: 07/12/2021, 15:54
Description: Sending packet

java.lang.NullPointerException: Cannot invoke "Object.getClass()" because "p_129593_" is null
    at net.minecraft.network.ConnectionProtocol.getProtocolForPacket(ConnectionProtocol.java:486) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.network.Connection.sendPacket(Connection.java:179) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.network.Connection.send(Connection.java:171) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:1058) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:1053) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ServerEntity.sendPairingData(ServerEntity.java:208) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ServerEntity.addPairing(ServerEntity.java:196) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ChunkMap$TrackedEntity.updatePlayer(ChunkMap.java:1160) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ChunkMap$TrackedEntity.updatePlayers(ChunkMap.java:1188) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ChunkMap.addEntity(ChunkMap.java:943) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ServerChunkCache.addEntity(ServerChunkCache.java:441) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.level.ServerLevel$EntityCallbacks.onTrackingStart(ServerLevel.java:1490) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ServerLevel$EntityCallbacks.onTrackingStart(ServerLevel.java:1473) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.startTracking(PersistentEntitySectionManager.java:135) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.addEntityWithoutEvent(PersistentEntitySectionManager.java:98) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.addEntity(PersistentEntitySectionManager.java:81) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.lambda$processPendingLoads$11(PersistentEntitySectionManager.java:259) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[?:?] {}
    at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[?:?] {}
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.processPendingLoads(PersistentEntitySectionManager.java:258) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.tick(PersistentEntitySectionManager.java:267) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:395) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:883) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:819) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.client.server.IntegratedServer.tickServer(IntegratedServer.java:85) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:684) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:258) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:accesstransformer:B}
    at java.lang.Thread.run(Thread.java:831) ~[?:?] {}


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Thread: Render thread
Stacktrace:
    at net.minecraft.network.ConnectionProtocol.getProtocolForPacket(ConnectionProtocol.java:486) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.network.Connection.sendPacket(Connection.java:179) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.network.Connection.send(Connection.java:171) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
-- Packet being sent --
Details:
    Packet class: ~~ERROR~~ NullPointerException: Cannot invoke "Object.getClass()" because "p_9832_" is null
Stacktrace:
    at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:1058) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.network.ServerGamePacketListenerImpl.send(ServerGamePacketListenerImpl.java:1053) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ServerEntity.sendPairingData(ServerEntity.java:208) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ServerEntity.addPairing(ServerEntity.java:196) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ChunkMap$TrackedEntity.updatePlayer(ChunkMap.java:1160) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ChunkMap$TrackedEntity.updatePlayers(ChunkMap.java:1188) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ChunkMap.addEntity(ChunkMap.java:943) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ServerChunkCache.addEntity(ServerChunkCache.java:441) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.level.ServerLevel$EntityCallbacks.onTrackingStart(ServerLevel.java:1490) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ServerLevel$EntityCallbacks.onTrackingStart(ServerLevel.java:1473) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.startTracking(PersistentEntitySectionManager.java:135) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.addEntityWithoutEvent(PersistentEntitySectionManager.java:98) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.addEntity(PersistentEntitySectionManager.java:81) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.lambda$processPendingLoads$11(PersistentEntitySectionManager.java:259) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948) ~[?:?] {}
    at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:762) ~[?:?] {}
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.processPendingLoads(PersistentEntitySectionManager.java:258) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.world.level.entity.PersistentEntitySectionManager.tick(PersistentEntitySectionManager.java:267) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading}
    at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:395) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:accesstransformer:B}


-- Affected level --
Details:
    All players: 1 total; [ServerPlayer['Dev'/65, l='ServerLevel[New World]', x=250.81, y=11.74, z=231.40]]
    Chunk stats: 2340
    Level dimension: minecraft:overworld
    Level spawn location: World: (16,4,176), Section: (at 0,4,0 in 1,0,11; chunk contains blocks 16,0,176 to 31,255,191), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
    Level time: 133518 game time, 3941 day time
    Level name: New World
    Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
    Level weather: Rain time: 1 (now: false), thunder time: 1 (now: false)
    Known server brands: forge
    Level was modded: true
    Level storage version: 0x04ABD - Anvil
Stacktrace:
    at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:883) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:819) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.client.server.IntegratedServer.tickServer(IntegratedServer.java:85) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:684) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:accesstransformer:B}
    at net.minecraft.server.MinecraftServer.lambda$spin$2(MinecraftServer.java:258) ~[forge-1.17.1-37.1.0_mapped_official_1.17.1.jar%2374!:?] {re:classloading,pl:accesstransformer:B}
    at java.lang.Thread.run(Thread.java:831) ~[?:?] {}


-- System Details --
Details:
    Minecraft Version: 1.17.1
    Minecraft Version ID: 1.17.1
    Operating System: Mac OS X (x86_64) version 10.15.4
    Java Version: 16.0.1, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode, sharing), Oracle Corporation
    Memory: 225463472 bytes (215 MiB) / 1073741824 bytes (1024 MiB) up to 1073741824 bytes (1024 MiB)
    CPUs: 4
    Processor Vendor: GenuineIntel
    Processor Name: Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz
    Identifier: Intel64 Family 6 Model 58 Stepping 9
    Microarchitecture: Ivy Bridge (Client)
    Frequency (GHz): 2.50
    Number of physical packages: 1
    Number of physical CPUs: 2
    Number of logical CPUs: 4
    Graphics card #0 name: Intel HD Graphics 4000
    Graphics card #0 vendor: Intel
    Graphics card #0 VRAM (MB): 1536.00
    Graphics card #0 deviceId: 0x0166
    Graphics card #0 versionInfo: Revision ID: 0x0009
    Memory slot #0 capacity (MB): 2048.00
    Memory slot #0 clockSpeed (GHz): 1.60
    Memory slot #0 type: DDR3
    Memory slot #1 capacity (MB): 2048.00
    Memory slot #1 clockSpeed (GHz): 1.60
    Memory slot #1 type: DDR3
    Virtual memory max (MB): 8192.00
    Virtual memory used (MB): 6192.04
    Swap memory total (MB): 4096.00
    Swap memory used (MB): 3069.00
    JVM Flags: 1 total; -Xss1M
    Player Count: 1 / 8; [ServerPlayer['Dev'/65, l='ServerLevel[New World]', x=250.81, y=11.74, z=231.40]]
    Data Packs: vanilla, mod:lotb (incompatible), mod:forge
    Type: Integrated Server (map_client.txt)
    Is Modded: Definitely; Client brand changed to 'forge'
    ModLauncher: 9.0.7+91+master.8569cdf
    ModLauncher launch target: forgeclientuserdev
    ModLauncher naming: mcp
    ModLauncher services: 
         mixin PLUGINSERVICE 
         eventbus PLUGINSERVICE 
         object_holder_definalize PLUGINSERVICE 
         runtime_enum_extender PLUGINSERVICE 
         capability_token_subclass PLUGINSERVICE 
         capability_inject_definalize PLUGINSERVICE 
         accesstransformer PLUGINSERVICE 
         runtimedistcleaner PLUGINSERVICE 
         mixin TRANSFORMATIONSERVICE 
         fml TRANSFORMATIONSERVICE 
    FML Language Providers: 
        [email protected]
        javafml@null
    Mod List: 
        forge-1.17.1-37.1.0_mapped_official_1.17.1.jar    |Minecraft                     |minecraft                     |1.17.1              |DONE      |Manifest: a1:d4:5e:04:4f:d3:d6:e0:7b:37:97:cf:77:b0:de:ad:4a:47:ce:8c:96:49:5f:0a:cf:8c:ae:b2:6d:4b:8a:3f
        resources                                         |Lord Of The Blocks Mod        |lotb                          |0.0NONE             |DONE      |Manifest: NOSIGNATURE
                                                          |Forge                         |forge                         |37.1.0              |DONE      |Manifest: NOSIGNATURE
    Crash Report UUID: 5c4d99fd-0bb2-484a-8699-30af0d2e2550
    FML: 37.1
    Forge: net.minecraftforge:37.1.0
#@!@# Game crashed! Crash report saved to: #@!@# ./crash-reports/crash-2021-12-07_15.54.36-server.txt

Process finished with exit code 137 (interrupted by signal 9: SIGKILL)

I found it very difficult to actually begin working out where the source of the problem is and was wondering if anyone could help me track it down, the github for the latest sourcecode is currently https://github.com/slit-bodmod/LordOfTheBlocks if you want to have a look, or if you could just point me in the right direction, idk

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Slit_bodmod Stone Miner

Slit_bodmod

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Posted
3 hours ago, diesieben07 said:

Cloned your repository. Badger and deer failed to summon because you have not registered their attribute, with a completely different error that you have shown.

Ah thankyou, yeah sometimes when it's not clear on the stacktrace where the problem started because of nullptrs or lambdas or something I find it quite difficult to work out where to look. Is this what caused the crash and can I simply fix it by adding something like:

modEventBus.addListener(EntityAISetupManager::addEntityAttributes);

to my LotbMod constructor

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Slit_bodmod Stone Miner

Slit_bodmod

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hmm, I'm still getting a crash that looks like this:

Quote

[12:56:44] [Worker-Main-4/ERROR] [ne.mi.ev.EventBus/EVENTBUS]: Exception caught during firing event: Cannot invoke "net.minecraft.world.entity.ai.attributes.AttributeMap.getValue(net.minecraft.world.entity.ai.attributes.Attribute)" because the return value of "net.minecraft.world.entity.LivingEntity.getAttributes()" is null
    Index: 1
    Listeners:
        0: NORMAL
        1: ASM: class lotb.common.entities.ai.EntityAISetupManager onEntityConstructed(Lnet/minecraftforge/event/entity/EntityEvent$EntityConstructing;)V
java.lang.NullPointerException: Cannot invoke "net.minecraft.world.entity.ai.attributes.AttributeMap.getValue(net.minecraft.world.entity.ai.attributes.Attribute)" because the return value of "net.minecraft.world.entity.LivingEntity.getAttributes()" is null
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.LivingEntity.getAttributeValue(LivingEntity.java:1806)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.ai.goal.target.TargetGoal.getFollowDistance(TargetGoal.java:77)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.ai.goal.target.NearestAttackableTargetGoal.<init>(NearestAttackableTargetGoal.java:35)
    at TRANSFORMER/[email protected]/lotb.common.entities.ai.EntityAISetupManager.onEntityConstructed(EntityAISetupManager.java:31)
    at net.minecraftforge.eventbus.ASMEventHandler_1_EntityAISetupManager_onEntityConstructed_EntityConstructing.invoke(.dynamic)
    at MC-BOOTSTRAP/[email protected]/net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:85)
    at MC-BOOTSTRAP/[email protected]/net.minecraftforge.eventbus.EventBus.post(EventBus.java:302)
    at MC-BOOTSTRAP/[email protected]/net.minecraftforge.eventbus.EventBus.post(EventBus.java:283)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.Entity.<init>(Entity.java:247)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.LivingEntity.<init>(LivingEntity.java:228)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.Mob.<init>(Mob.java:112)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.PathfinderMob.<init>(PathfinderMob.java:12)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.AgeableMob.<init>(AgeableMob.java:28)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.animal.Animal.<init>(Animal.java:37)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.TamableAnimal.<init>(TamableAnimal.java:29)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.animal.Cat.<init>(Cat.java:116)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.EntityType.create(EntityType.java:460)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.EntityType.lambda$create$1(EntityType.java:470)
    at java.base/java.util.Optional.map(Optional.java:260)
    at TRANSFORMER/[email protected]/net.minecraft.world.entity.EntityType.create(EntityType.java:469)
    at TRANSFORMER/[email protected]/net.minecraft.world.level.levelgen.structure.templatesystem.StructureTemplate.createEntityIgnoreException(StructureTemplate.java:442)
    at TRANSFORMER/[email protected]/net.minecraft.world.level.levelgen.structure.templatesystem.StructureTemplate.addEntitiesToWorld(StructureTemplate.java:425)
    at TRANSFORMER/[email protected]/net.minecraft.world.level.levelgen.structure.templatesystem.StructureTemplate.placeInWorld(StructureTemplate.java:343)
    at TRANSFORMER/[email protected]/net.minecraft.world.level.levelgen.feature.structures.SinglePoolElement.place(SinglePoolElement.java:112)
    at TRANSFORMER/[email protected]/net.minecraft.world.level.levelgen.structure.PoolElementStructurePiece.place(PoolElementStructurePiece.java:88)
    at TRANSFORMER/[email protected]/net.minecraft.world.level.levelgen.structure.PoolElementStructurePiece.postProcess(PoolElementStructurePiece.java:84)
    at TRANSFORMER/[email protected]/net.minecraft.world.level.levelgen.structure.StructureStart.placeInChunk(StructureStart.java:87)
    at TRANSFORMER/[email protected]/net.minecraft.world.level.biome.Biome.lambda$generate$21(Biome.java:244)
    at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183)
    at java.base/java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179)
    at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
    at java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:197)
    at java.base/java.util.PrimitiveIterator$OfLong.forEachRemaining(PrimitiveIterator.java:189)
    at MC-BOOTSTRAP/[email protected]/it.unimi.dsi.fastutil.longs.LongIterator.forEachRemaining(LongIterator.java:53)
    at java.base/java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801)
    at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
    at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
    at java.base/java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150)
    at java.base/java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173)
    at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
    at java.base/java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596)
    at TRANSFORMER/[email protected]/net.minecraft.world.level.biome.Biome.generate(Biome.java:243)
    at TRANSFORMER/[email protected]/net.minecraft.world.level.chunk.ChunkGenerator.applyBiomeDecoration(ChunkGenerator.java:245)
    at TRANSFORMER/[email protected]/net.minecraft.world.level.chunk.ChunkStatus.lambda$static$10(ChunkStatus.java:87)
    at TRANSFORMER/[email protected]/net.minecraft.world.level.chunk.ChunkStatus.generate(ChunkStatus.java:208)
    at TRANSFORMER/[email protected]/net.minecraft.server.level.ChunkMap.lambda$scheduleChunkGeneration$18(ChunkMap.java:517)
    at MC-BOOTSTRAP/[email protected]/com.mojang.datafixers.util.Either$Left.map(Either.java:38)
    at TRANSFORMER/[email protected]/net.minecraft.server.level.ChunkMap.lambda$scheduleChunkGeneration$20(ChunkMap.java:515)
    at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146)
    at java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:478)
    at TRANSFORMER/[email protected]/net.minecraft.server.level.ChunkTaskPriorityQueueSorter.lambda$message$1(ChunkTaskPriorityQueueSorter.java:58)
    at TRANSFORMER/[email protected]/net.minecraft.util.thread.ProcessorMailbox.pollTask(ProcessorMailbox.java:91)
    at TRANSFORMER/[email protected]/net.minecraft.util.thread.ProcessorMailbox.pollUntil(ProcessorMailbox.java:146)
    at TRANSFORMER/[email protected]/net.minecraft.util.thread.ProcessorMailbox.run(ProcessorMailbox.java:102)
    at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.exec(ForkJoinTask.java:1434)
    at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295)
    at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016)
    at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665)
    at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598)
    at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183)
 

I can't figure out why the getAttributes would return null as it just returns the attributes field which is final and should always be set upon construction.

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